*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

        :root {
            --bg: #0A0F0D;
            --bg-light: #0F1512;
            --bg-card: #121A16;
            --bg-card-hover: #1A2620;
            --gold: #34D399;
            --gold-dim: rgba(52, 211, 153, 0.12);
            --gold-glow: rgba(52, 211, 153, 0.3);
            --blue: #6EE7B7;
            --blue-dim: rgba(110, 231, 183, 0.12);
            --white: #F0FDF4;
            --text: #E2E8F0;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border: rgba(255, 255, 255, 0.06);
            --border-light: rgba(255, 255, 255, 0.1);
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
            --radius: 16px;
            --radius-sm: 10px;
        }

        html { scroll-behavior: smooth; }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        ::selection {
            background: rgba(52, 211, 153, 0.25);
            color: var(--white);
        }

        .heading {
            font-family: 'Plus Jakarta Sans', sans-serif;
            font-weight: 800;
            line-height: 1.15;
        }

        .heading-gradient {
            background: linear-gradient(135deg, #F0FDF4 30%, #34D399 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        @property --border-angle {
            syntax: '<angle>';
            initial-value: 0deg;
            inherits: false;
        }

        .glow-card { position: relative; }

        .glow-card::before {
            content: '';
            position: absolute;
            inset: -1px;
            border-radius: inherit;
            background: conic-gradient(from var(--border-angle), transparent 60%, var(--gold) 80%, transparent 100%);
            z-index: -1;
            opacity: 0;
            transition: opacity 0.4s;
            animation: borderRotate 4s linear infinite;
        }

        .glow-card:hover::before { opacity: 1; }

        @keyframes borderRotate {
            to { --border-angle: 360deg; }
        }

        body::before {
            content: '';
            position: fixed;
            top: 0; left: 0;
            width: 100%; height: 100%;
            pointer-events: none;
            z-index: 0;
            background:
                radial-gradient(circle, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
                radial-gradient(ellipse 800px 600px at 30% 30%, rgba(52, 211, 153, 0.06), transparent),
                radial-gradient(ellipse 600px 800px at 70% 60%, rgba(110, 231, 183, 0.04), transparent);
            background-size: 32px 32px, 100% 100%, 100% 100%;
        }

        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

        /* --- NAV --- */
        .nav {
            position: fixed; top: 0; left: 0; right: 0;
            z-index: 100; padding: 0 24px;
            transition: background 0.3s, backdrop-filter 0.3s, box-shadow 0.3s;
        }

        .nav.scrolled {
            background: rgba(10, 15, 13, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: 0 1px 0 var(--border);
        }

        .nav-inner {
            max-width: 1200px; margin: 0 auto;
            display: flex; align-items: center; justify-content: space-between;
            height: 72px;
        }

        .nav-wordmark {
            font-family: 'Plus Jakarta Sans', sans-serif;
            font-weight: 800; font-size: 1.3rem;
            color: var(--white); text-decoration: none;
            letter-spacing: 3px; text-transform: uppercase;
        }

        .nav-wordmark span { color: var(--gold); }

        .nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }

        .nav-link {
            color: var(--text-secondary); text-decoration: none;
            font-size: 0.875rem; font-weight: 500; transition: color 0.2s;
        }

        .nav-link:hover, .nav-link.active { color: var(--white); }

        .nav-buttons { display: flex; align-items: center; gap: 12px; }

        .btn-ghost {
            color: var(--text-secondary); background: none;
            border: 1px solid var(--border-light); padding: 8px 20px;
            border-radius: 8px; font-size: 0.875rem; font-weight: 500;
            cursor: pointer; text-decoration: none; transition: all 0.2s;
        }

        .btn-ghost:hover { color: var(--white); border-color: rgba(255, 255, 255, 0.2); }

        .btn-gold {
            background: linear-gradient(135deg, #34D399, #10B981);
            color: #fff; border: none; padding: 10px 24px;
            border-radius: 8px; font-size: 0.875rem; font-weight: 700;
            cursor: pointer; text-decoration: none; transition: all 0.2s;
            box-shadow: 0 2px 12px rgba(52, 211, 153, 0.25);
        }

        .btn-gold:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 20px rgba(52, 211, 153, 0.35);
        }

        .btn-gold-lg { padding: 14px 36px; font-size: 1rem; border-radius: 10px; }

        .nav-hamburger {
            display: none; background: none; border: none;
            cursor: pointer; padding: 8px;
        }

        .nav-hamburger span {
            display: block; width: 22px; height: 2px;
            background: var(--text); margin: 5px 0;
            transition: all 0.3s; border-radius: 2px;
        }

        .nav-mobile {
            display: none; position: fixed; top: 72px; left: 0; right: 0;
            background: rgba(10, 15, 13, 0.98); backdrop-filter: blur(20px);
            padding: 24px; border-bottom: 1px solid var(--border); z-index: 99;
        }

        .nav-mobile.open { display: block; }

        .nav-mobile a {
            display: block; color: var(--text); text-decoration: none;
            padding: 12px 0; font-size: 1rem; font-weight: 500;
            border-bottom: 1px solid var(--border);
        }

        .nav-mobile a:last-child { border: none; }

        /* --- SCROLL PROGRESS --- */
        .scroll-progress-bar {
            position: fixed; top: 0; left: 0;
            height: 3px; width: 0%;
            background: linear-gradient(to right, #34D399, #6EE7B7);
            z-index: 200; transition: width 0.08s linear;
        }

        /* --- ARTICLE HEADER --- */
        .article-header {
            max-width: 720px;
            margin: 0 auto;
            padding: 140px 24px 48px;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .article-category {
            display: inline-block;
            background: var(--gold-dim);
            color: var(--gold);
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            padding: 6px 16px;
            border-radius: 100px;
            margin-bottom: 20px;
        }

        .article-header h1 {
            font-family: 'Plus Jakarta Sans', sans-serif;
            font-weight: 800;
            font-size: clamp(1.8rem, 4.5vw, 2.8rem);
            color: var(--white);
            line-height: 1.15;
            letter-spacing: -0.5px;
            margin-bottom: 20px;
        }

        .article-meta {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .article-meta span + span::before {
            content: '\00B7';
            margin: 0 8px;
        }

        /* --- TABLE OF CONTENTS --- */
        .toc {
            max-width: 680px;
            margin: 0 auto 48px;
            padding: 0 24px;
            position: relative;
            z-index: 1;
        }

        .toc-inner {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 32px;
        }

        .toc-title {
            font-family: 'Plus Jakarta Sans', sans-serif;
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--white);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }

        .toc-list {
            list-style: none;
            counter-reset: toc;
        }

        .toc-list li {
            counter-increment: toc;
        }

        .toc-list a {
            display: flex;
            align-items: baseline;
            gap: 12px;
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 0.9rem;
            padding: 6px 0;
            transition: color 0.2s;
        }

        .toc-list a:hover { color: var(--gold); }

        .toc-list a::before {
            content: counter(toc, decimal-leading-zero);
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.75rem;
            color: var(--gold);
            font-weight: 600;
            min-width: 20px;
        }

        /* --- ARTICLE BODY --- */
        .article-body {
            max-width: 680px;
            margin: 0 auto;
            padding: 0 24px 60px;
            position: relative;
            z-index: 1;
        }

        .article-body h2 {
            font-family: 'Plus Jakarta Sans', sans-serif;
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--white);
            margin: 48px 0 16px;
            letter-spacing: -0.3px;
            scroll-margin-top: 90px;
        }

        .article-body h3 {
            font-family: 'Plus Jakarta Sans', sans-serif;
            font-weight: 600;
            font-size: 1.15rem;
            color: var(--white);
            margin: 32px 0 12px;
        }

        .article-body p {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .article-body strong { color: var(--white); }

        .article-body a {
            color: var(--gold);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-body a:hover { color: var(--blue); }

        .article-body ul, .article-body ol {
            color: var(--text-secondary);
            margin: 0 0 20px 24px;
            font-size: 1rem;
            line-height: 1.8;
        }

        .article-body li { margin-bottom: 8px; }

        .article-body blockquote {
            border-left: 3px solid var(--gold);
            background: var(--gold-dim);
            padding: 20px 24px;
            margin: 28px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text);
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 0.9rem;
        }

        .article-body thead th {
            background: var(--bg-card);
            color: var(--white);
            font-weight: 600;
            text-align: left;
            padding: 12px 16px;
            border-bottom: 1px solid var(--border-light);
        }

        .article-body tbody td {
            padding: 12px 16px;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border);
        }

        .article-body tbody tr:hover td {
            background: var(--bg-card);
        }

        .article-body code {
            font-family: 'JetBrains Mono', monospace;
            background: var(--bg-card);
            color: var(--gold);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.85em;
        }

        .article-body pre {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 20px 24px;
            overflow-x: auto;
            margin: 24px 0;
        }

        .article-body pre code {
            background: none;
            padding: 0;
            font-size: 0.85rem;
            line-height: 1.6;
        }

        /* --- INLINE CTA --- */
        .article-cta {
            background: var(--bg-card);
            border: 1px solid var(--gold);
            border-radius: var(--radius);
            padding: 32px;
            text-align: center;
            margin: 40px 0;
        }

        .article-cta h3 {
            font-family: 'Plus Jakarta Sans', sans-serif;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--white);
            margin: 0 0 8px;
        }

        .article-cta p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 20px;
            line-height: 1.6;
        }

        /* --- FAQ --- */
        .article-faq {
            max-width: 680px;
            margin: 0 auto;
            padding: 0 24px 60px;
            position: relative;
            z-index: 1;
        }

        .article-faq h2 {
            font-family: 'Plus Jakarta Sans', sans-serif;
            font-weight: 800;
            font-size: 1.5rem;
            color: var(--white);
            margin-bottom: 24px;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--bg-card);
        }

        .faq-q {
            width: 100%;
            background: none;
            border: none;
            padding: 20px 24px;
            text-align: left;
            color: var(--white);
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-family: inherit;
        }

        .faq-q::after {
            content: '+';
            font-size: 1.3rem;
            color: var(--gold);
            flex-shrink: 0;
            transition: transform 0.3s;
        }

        .faq-item.open .faq-q::after {
            transform: rotate(45deg);
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .faq-item.open .faq-a {
            max-height: 300px;
        }

        .faq-a-inner {
            padding: 0 24px 20px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* --- RELATED ARTICLES --- */
        .related {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px 80px;
            position: relative;
            z-index: 1;
        }

        .related h2 {
            font-family: 'Plus Jakarta Sans', sans-serif;
            font-weight: 800;
            font-size: 1.5rem;
            color: var(--white);
            margin-bottom: 24px;
            text-align: center;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .related-card {
            display: block;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            text-decoration: none;
            transition: all 0.3s;
        }

        .related-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-light);
            transform: translateY(-2px);
        }

        .related-card-category {
            display: inline-block;
            background: var(--gold-dim);
            color: var(--gold);
            font-size: 0.65rem;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            padding: 3px 10px;
            border-radius: 4px;
            margin-bottom: 12px;
        }

        .related-card h3 {
            font-family: 'Plus Jakarta Sans', sans-serif;
            font-weight: 700;
            font-size: 1rem;
            color: var(--white);
            line-height: 1.3;
        }

        /* --- BOTTOM CTA --- */
        .blog-cta {
            padding: 80px 0;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .blog-cta h2 {
            font-family: 'Plus Jakarta Sans', sans-serif;
            font-weight: 800;
            font-size: clamp(1.8rem, 4vw, 2.4rem);
            letter-spacing: -0.5px;
            max-width: 600px;
            margin: 0 auto 12px;
        }

        .blog-cta .sub {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: 32px;
        }

        /* --- FOOTER --- */
        .footer {
            border-top: 1px solid var(--border);
            padding: 48px 0 32px;
            position: relative;
            z-index: 1;
        }

        .footer-inner {
            display: flex; align-items: center; justify-content: space-between;
            flex-wrap: wrap; gap: 20px;
        }

        .footer-left { font-size: 0.82rem; color: var(--text-muted); }

        .footer-left a {
            color: var(--text-secondary); text-decoration: none; margin-left: 12px;
        }

        .footer-left a:hover { color: var(--gold); }

        .footer-right { display: flex; gap: 16px; }

        .footer-right a {
            color: var(--text-muted); text-decoration: none;
            font-size: 0.82rem; transition: color 0.2s;
        }

        .footer-right a:hover { color: var(--gold); }

        /* --- BACK TO TOP --- */
        .back-to-top {
            position: fixed; bottom: 24px; right: 24px;
            width: 44px; height: 44px;
            background: var(--bg-card); border: 1px solid var(--border);
            border-radius: 50%; display: flex; align-items: center; justify-content: center;
            color: var(--text-muted); cursor: pointer; z-index: 80;
            opacity: 0; transform: translateY(20px); transition: all 0.3s;
        }

        .back-to-top.show { opacity: 1; transform: translateY(0); }
        .back-to-top:hover { color: var(--gold); border-color: var(--gold-dim); }

        /* --- RESPONSIVE --- */
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .nav-buttons .btn-ghost { display: none; }
            .nav-hamburger { display: block; }
            .article-header { padding: 110px 24px 32px; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-inner { flex-direction: column; text-align: center; }
        }

        @media (max-width: 480px) {
            .article-header h1 { font-size: 1.6rem; }
            .article-cta { padding: 24px; }
        }

        @media print {
            .nav, .scroll-progress-bar, .back-to-top { display: none !important; }
            body { background: white; color: black; }
            body::before { display: none; }
        }
